[IfcCompositeCurve.Segments property 段 public IfcCollection<IfcCompositeCurveSegment> Segments { get; set; } 也可以看看 class IfcCollection<T> class IfcCompositeCurveSegment class IfcCompositeCurve 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]